Re: [PATCH v8 3/4] mtd: spi-nor: introduce Double Transfer Rate (DTR) SPI protocols

From: Marek Vasut
Date: Tue Apr 25 2017 - 16:26:49 EST


On 04/25/2017 10:08 PM, Cyrille Pitchen wrote:
> From: Cyrille Pitchen <cyrille.pitchen@xxxxxxxxx>
>
> This patch introduces support to Double Transfer Rate (DTR) SPI protocols.
> DTR is used only for Fast Read operations.
>
> According to manufacturer datasheets, whatever the number of I/O lines
> used during instruction (x) and address/mode/dummy (y) clock cycles, DTR
> is used only during data (z) clock cycles of SPI x-y-z protocols.
>
> Signed-off-by: Cyrille Pitchen <cyrille.pitchen@xxxxxxxxx>

Reviewed-by: Marek Vasut <marek.vasut@xxxxxxxxx>

--
Best regards,
Marek Vasut